13103120330020 has 72 divisors (see below), whose sum is σ = 32146429553784. Its totient is φ = 4473217211904.

The previous prime is 13103120330017. The next prime is 13103120330087. The reversal of 13103120330020 is 2003302130131.

It can be written as a sum of positive squares in 4 ways, for example, as 1061262590976 + 12041857739044 = 1030176^2 + 3470138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13103120330020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28463787 + ... + 28920466.

It is an arithmetic number, because the mean of its divisors is an integer number (446478188247).

Almost surely, 2^{13103120330020} is an apocalyptic number.

13103120330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103120330020 is an abundant number, since it is smaller than the sum of its proper divisors (19043309223764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103120330020 is a wasteful number, since it uses less digits than its factorization.

13103120330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57384509 (or 57384500 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13103120330020 its reverse (2003302130131), we get a palindrome (15106422460151).

The spelling of 13103120330020 in words is "thirteen trillion, one hundred three billion, one hundred twenty million, three hundred thirty thousand, twenty".